Developer: Simon Tatham and team Description: A free and open-source terminal emulator, serial console, and network file transfer application. Supports multiple network protocols including SSH, Telnet, SCP, rlogin, and raw socket connections. The PuTTY suite includes several utilities: PuTTY (terminal emulator), PSCP (SCP client), PSFTP (SFTP client), PuTTYgen (key generator), Pageant (SSH authentication agent), and Plink (command-line connection tool).